Question

In foreign policy what is a preventive war?

Answer 1

The assumption is that preventive war—war against a country that poses no imminent threat but could pose a threat in the future—is morally legitimate. ... During the Cold War, the dominant figures in American foreign policy considered preventive war to be fundamentally un-American.

Answer 2

Preventive war is one of the strategies which can be deployed to keep a country secure, although it has been heavily criticized within the rule.